EP1096029A4 - High tensile hot-dip zinc-coated steel plate excellent in ductility and method for production thereof - Google Patents

High tensile hot-dip zinc-coated steel plate excellent in ductility and method for production thereof

Info

Publication number
EP1096029A4
EP1096029A4 EP00919136A EP00919136A EP1096029A4 EP 1096029 A4 EP1096029 A4 EP 1096029A4 EP 00919136 A EP00919136 A EP 00919136A EP 00919136 A EP00919136 A EP 00919136A EP 1096029 A4 EP1096029 A4 EP 1096029A4
Authority
EP
European Patent Office
Prior art keywords
ductility
production
steel plate
high tensile
coated steel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP00919136A
Other languages
German (de)
French (fr)
Other versions
EP1096029A1 (en
EP1096029B1 (en
Inventor
Takashi Kobayashi
Kei Sakata
Akio Shinohara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JFE Steel Corp
Original Assignee
JFE Steel Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by JFE Steel Corp filed Critical JFE Steel Corp
Publication of EP1096029A1 publication Critical patent/EP1096029A1/en
Publication of EP1096029A4 publication Critical patent/EP1096029A4/en
Application granted granted Critical
Publication of EP1096029B1 publication Critical patent/EP1096029B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
    • B32B15/013—Layered products comprising a layer of metal all layers being exclusively metallic one layer being formed of an iron alloy or steel, another layer being formed of a metal other than iron or aluminium
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C21D1/185—Hardening; Quenching with or without subsequent tempering from an intercritical temperature
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/78—Combined heat-treatments not provided for above
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/005—Heat treatment of ferrous alloys containing Mn
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/008—Heat treatment of ferrous alloys containing Si
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • C23C2/022—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating
    • C23C2/0224—Two or more thermal pretreatments
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/26—After-treatment
    • C23C2/28—Thermal after-treatment, e.g. treatment in oil bath
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/26—After-treatment
    • C23C2/28—Thermal after-treatment, e.g. treatment in oil bath
    • C23C2/29—Cooling or quenching
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/34—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
    • C23C2/36—Elongated material
    • C23C2/40—Plates; Strips
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/001—Austenite
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/005—Ferrite
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/008—Martensite
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0278—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a particular surface treatment
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771—Transition metal-base component
    • Y10T428/12785—Group IIB metal-base component
    • Y10T428/12792—Zn-base component
    • Y10T428/12799—Next to Fe-base component [e.g., galvanized]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Coating With Molten Metal (AREA)
EP00919136A 1999-04-21 2000-04-19 High tensile hot-dip zinc-coated steel plate excellent in ductility and method for production thereof Expired - Lifetime EP1096029B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP11328899 1999-04-21
JP11328899 1999-04-21
PCT/JP2000/002547 WO2000065119A1 (en) 1999-04-21 2000-04-19 High tensile hot-dip zinc-coated steel plate excellent in ductility and method for production thereof

Publications (3)

Publication Number Publication Date
EP1096029A1 EP1096029A1 (en) 2001-05-02
EP1096029A4 true EP1096029A4 (en) 2004-09-15
EP1096029B1 EP1096029B1 (en) 2006-01-25

Family

ID=14608392

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00919136A Expired - Lifetime EP1096029B1 (en) 1999-04-21 2000-04-19 High tensile hot-dip zinc-coated steel plate excellent in ductility and method for production thereof

Country Status (7)

Country Link
US (1) US6423426B1 (en)
EP (1) EP1096029B1 (en)
KR (1) KR100638543B1 (en)
AU (1) AU3987400A (en)
CA (1) CA2334672C (en)
DE (1) DE60025711T2 (en)
WO (1) WO2000065119A1 (en)

Families Citing this family (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7090731B2 (en) * 2001-01-31 2006-08-15 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) High strength steel sheet having excellent formability and method for production thereof
JP4085583B2 (en) 2001-02-27 2008-05-14 Ｊｆｅスチール株式会社 High-strength cold-rolled galvanized steel sheet and method for producing the same
CA2387322C (en) * 2001-06-06 2008-09-30 Kawasaki Steel Corporation High-ductility steel sheet excellent in press formability and strain age hardenability, and method for manufacturing the same
EP1288322A1 (en) 2001-08-29 2003-03-05 Sidmar N.V. An ultra high strength steel composition, the process of production of an ultra high strength steel product and the product obtained
FR2830260B1 (en) * 2001-10-03 2007-02-23 Kobe Steel Ltd DOUBLE-PHASE STEEL SHEET WITH EXCELLENT EDGE FORMABILITY BY STRETCHING AND METHOD OF MANUFACTURING THE SAME
KR100608555B1 (en) * 2002-03-18 2006-08-08 제이에프이 스틸 가부시키가이샤 Process for producing high tensile hot-dip zinc-coated steel sheet of excellent ductility and antifatigue properties
FR2847271B1 (en) * 2002-11-19 2004-12-24 Usinor METHOD FOR MANUFACTURING AN ABRASION RESISTANT STEEL SHEET AND OBTAINED SHEET
EP1431406A1 (en) 2002-12-20 2004-06-23 Sidmar N.V. A steel composition for the production of cold rolled multiphase steel products
US20070228729A1 (en) * 2003-03-06 2007-10-04 Grimmett Harold M Tubular goods with threaded integral joint connections
US7314532B2 (en) * 2003-03-26 2008-01-01 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) High-strength forged parts having high reduction of area and method for producing same
US7169239B2 (en) * 2003-05-16 2007-01-30 Lone Star Steel Company, L.P. Solid expandable tubular members formed from very low carbon steel and method
KR100884104B1 (en) * 2004-01-14 2009-02-19 신닛뽄세이테쯔 카부시키카이샤 Hot dip zinc plated high strength steel sheet excellent in plating adhesiveness and hole expanding characteristics
DE102004007071B4 (en) * 2004-02-13 2006-01-05 Audi Ag Method for producing a component by forming a circuit board and apparatus for carrying out the method
JP4510488B2 (en) * 2004-03-11 2010-07-21 新日本製鐵株式会社 Hot-dip galvanized composite high-strength steel sheet excellent in formability and hole expansibility and method for producing the same
JP4445365B2 (en) * 2004-10-06 2010-04-07 新日本製鐵株式会社 Manufacturing method of high-strength thin steel sheet with excellent elongation and hole expandability
US8337643B2 (en) * 2004-11-24 2012-12-25 Nucor Corporation Hot rolled dual phase steel sheet
US7442268B2 (en) * 2004-11-24 2008-10-28 Nucor Corporation Method of manufacturing cold rolled dual-phase steel sheet
US7959747B2 (en) * 2004-11-24 2011-06-14 Nucor Corporation Method of making cold rolled dual phase steel sheet
JP3816937B1 (en) * 2005-03-31 2006-08-30 株式会社神戸製鋼所 Steel sheet for hot-formed product, method for producing the same, and hot-formed product
DE102006001198A1 (en) * 2006-01-10 2007-07-12 Sms Demag Ag Method and device for setting specific property combinations in multiphase steels
DE102006019567B3 (en) * 2006-04-27 2007-11-08 Daimlerchrysler Ag Method for producing formed steel components
KR101082680B1 (en) * 2006-07-14 2011-11-15 가부시키가이샤 고베 세이코쇼 High-strength steel sheets and processes for production of the same
US11155902B2 (en) 2006-09-27 2021-10-26 Nucor Corporation High strength, hot dip coated, dual phase, steel sheet and method of manufacturing same
US7608155B2 (en) * 2006-09-27 2009-10-27 Nucor Corporation High strength, hot dip coated, dual phase, steel sheet and method of manufacturing same
US20080178972A1 (en) * 2006-10-18 2008-07-31 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd) High strength steel sheet and method for producing the same
DE102006054300A1 (en) * 2006-11-14 2008-05-15 Salzgitter Flachstahl Gmbh High-strength dual-phase steel with excellent forming properties
JP5223360B2 (en) * 2007-03-22 2013-06-26 Ｊｆｅスチール株式会社 High-strength hot-dip galvanized steel sheet with excellent formability and method for producing the same
AU2008311043B2 (en) 2007-10-10 2013-02-21 Nucor Corporation Complex metallographic structured steel and method of manufacturing same
EP2202327B1 (en) * 2007-10-25 2020-12-02 JFE Steel Corporation Method for manufacturing a high-strength galvanized steel sheet with excellent formability
DE102007058222A1 (en) * 2007-12-03 2009-06-04 Salzgitter Flachstahl Gmbh Steel for high-strength components made of tapes, sheets or tubes with excellent formability and special suitability for high-temperature coating processes
JP5369663B2 (en) * 2008-01-31 2013-12-18 Ｊｆｅスチール株式会社 High-strength hot-dip galvanized steel sheet excellent in workability and manufacturing method thereof
WO2009115877A1 (en) * 2008-03-19 2009-09-24 Nucor Corporation Strip casting apparatus with casting roll positioning
US20090236068A1 (en) * 2008-03-19 2009-09-24 Nucor Corporation Strip casting apparatus for rapid set and change of casting rolls
US20090288798A1 (en) * 2008-05-23 2009-11-26 Nucor Corporation Method and apparatus for controlling temperature of thin cast strip
JP4737319B2 (en) 2009-06-17 2011-07-27 Ｊｆｅスチール株式会社 High-strength galvannealed steel sheet with excellent workability and fatigue resistance and method for producing the same
DE102009053368A1 (en) * 2009-11-14 2011-05-19 Bayerische Motoren Werke Aktiengesellschaft Process and manufacturing plant for producing a sheet metal part with a corrosion protection coating
JP2011218436A (en) * 2010-04-14 2011-11-04 Honda Motor Co Ltd Hot press-forming method
JP4893844B2 (en) * 2010-04-16 2012-03-07 Ｊｆｅスチール株式会社 High-strength hot-dip galvanized steel sheet excellent in formability and impact resistance and method for producing the same
JP5765116B2 (en) * 2010-09-29 2015-08-19 Ｊｆｅスチール株式会社 High-strength hot-dip galvanized steel sheet excellent in deep drawability and stretch flangeability and method for producing the same
CN102952994B (en) * 2011-08-25 2015-08-26 宝山钢铁股份有限公司 Refractory anti-seismic construction steel and production method thereof
DE102013010946B3 (en) * 2013-06-28 2014-12-31 Daimler Ag Method and plant for producing a press-hardened sheet steel component
MX2017007511A (en) * 2014-12-12 2017-08-22 Jfe Steel Corp High-strength cold-rolled steel sheet and method for producing same.
EP3444372B1 (en) 2016-04-14 2020-12-02 JFE Steel Corporation High strength steel sheet and manufacturing method therefor
US11560606B2 (en) 2016-05-10 2023-01-24 United States Steel Corporation Methods of producing continuously cast hot rolled high strength steel sheet products
MX2018013869A (en) 2016-05-10 2019-03-21 United States Steel Corp High strength steel products and annealing processes for making the same.
US11993823B2 (en) 2016-05-10 2024-05-28 United States Steel Corporation High strength annealed steel products and annealing processes for making the same
JP6705562B2 (en) 2018-03-30 2020-06-03 Ｊｆｅスチール株式会社 High-strength steel sheet and method for manufacturing the same
JP6705560B2 (en) 2018-03-30 2020-06-03 Ｊｆｅスチール株式会社 High-strength steel sheet and method for manufacturing the same
CN111455142B (en) * 2020-03-30 2021-09-07 常熟市精灵标准件有限公司 Heat treatment method of self-locking nut
CN114107794B (en) * 2020-08-31 2023-08-11 宝山钢铁股份有限公司 980 MPa-grade ultra-low carbon martensite and residual austenite ultra-high hole-enlarging steel and manufacturing method thereof

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6240405A (en) 1985-08-19 1987-02-21 Fujikura Ltd Incident end structure of light guide for power transmission
JPH02175817A (en) 1988-12-28 1990-07-09 Kawasaki Steel Corp Manufacture of hot-rolled high-tensile steel plate having dual-phase structure and excellent in workability
DE69323441T2 (en) 1992-03-06 1999-06-24 Kawasaki Steel Co Manufacture of high tensile steel sheet with excellent stretch flangeability
EP0585843A3 (en) 1992-08-28 1996-06-26 Toyota Motor Co Ltd High-formability steel plate with a great potential for strength enhancement by high-density energy treatment
JPH0693340A (en) 1992-09-14 1994-04-05 Kobe Steel Ltd Method and equipment for manufacturing high strength galvannealed steel sheet having stretch flanging formability
JPH06108152A (en) 1992-09-30 1994-04-19 Kobe Steel Ltd Production of high strength hot-dipping galvanized steel sheet excellent in bending workability
JP2660644B2 (en) 1992-11-02 1997-10-08 新日本製鐵株式会社 High strength steel sheet with good press formability
JP3374644B2 (en) * 1996-03-28 2003-02-10 株式会社神戸製鋼所 High-strength hot-rolled steel sheet, high-strength galvanized steel sheet excellent in pitting corrosion resistance and workability, and methods for producing them
US6312536B1 (en) * 1999-05-28 2001-11-06 Kabushiki Kaisha Kobe Seiko Sho Hot-dip galvanized steel sheet and production thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
No further relevant documents disclosed *

Also Published As

Publication number Publication date
DE60025711D1 (en) 2006-04-13
KR100638543B1 (en) 2006-10-26
EP1096029A1 (en) 2001-05-02
KR20010043874A (en) 2001-05-25
US6423426B1 (en) 2002-07-23
CA2334672A1 (en) 2000-11-02
CA2334672C (en) 2009-09-22
WO2000065119A1 (en) 2000-11-02
AU3987400A (en) 2000-11-10
EP1096029B1 (en) 2006-01-25
DE60025711T2 (en) 2006-09-14

Similar Documents

Publication Publication Date Title
EP1096029A4 (en) High tensile hot-dip zinc-coated steel plate excellent in ductility and method for production thereof
EP1041167A4 (en) High strength thin steel sheet, high strength alloyed hot-dip zinc-coated steel sheet, and method for producing them
EP1170390A4 (en) Hot-rolled steel sheet having high tensile strength and method for production thereof
EP1681363A4 (en) High-yield-ratio high-strength thin steel sheet and high-yield-ratio high-strength hot-dip galvanized thin steel sheet excelling in weldability and ductility as well as high-yield-ratio high-strength alloyed hot-dip galvanized thin steel sheet and process for producing the same
EP1207213A4 (en) High tensile cold-rolled steel sheet excellent in ductility and in strain aging hardening properties, and method for producing the same
EP1486574A4 (en) Process for producing high tensile hot-dip zinc-coated steel sheet of excellent ductility and antifatigue properties
GB2351740B (en) Hot-dip galvanized steel sheet and production thereof
EP1354970A4 (en) High-strength molten-zinc-plated steel plate excellent in deposit adhesion and suitability for press forming and process for producing the same
EP1160346A4 (en) High strength galvanized steel plate excellent in adhesion of plated metal and formability in press working and high strength alloy galvanized steel plate and method for production thereof
EP0767247A4 (en) Cold-rolled steel sheet and hot-dipped galvanized steel sheet excellent in uniform workability, and process for producing the sheets
HUP0101606A3 (en) Method for producing steel plate and steel plate
EP1431407A4 (en) Steel plate exhibiting excellent workability and method for producing the same
EP1318205A4 (en) Thin steel sheet and method for production thereof
EP1264910A4 (en) Steel pipe having excellent formability and method for production thereof
EP1342801A4 (en) High tensile strength hot dip plated steel sheet and method for production thereof
EP1146132A4 (en) Hot-dip galvanized steel sheet having high strength and also being excellent in formability and galvanizing property
EP1291448A4 (en) Cold rolled steel sheet and galvanized steel sheet having strain aging hardening property and method for producing the same
EP1806421A4 (en) High young's modulus steel plate, zinc hot dip galvanized steel sheet using the same, alloyed zinc hot dip galvanized steel sheet, high young's modulus steel pipe, and method for production thereof
EP1642990A4 (en) High strength steel plate excellent in formability and method for production thereof
EP1359235A4 (en) Thin steel sheet and method for production thereof
EP1227167A4 (en) Hot dip zinc plated steel sheet and method for producing the same
EP1514951A4 (en) High strength cold rolled steel plate and method for production thereof
EP0999288A4 (en) Steel sheet for can and manufacturing method thereof
EP1143019A4 (en) Sheet steel and method for producing sheet steel
EP1325966A4 (en) Super high tensile cold-rolled steel plate and method for production thereof

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20010202

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: JFE STEEL CORPORATION

RBV Designated contracting states (corrected)

Designated state(s): DE FI

A4 Supplementary search report drawn up and despatched

Effective date: 20040803

17Q First examination report despatched

Effective date: 20041229

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

RBV Designated contracting states (corrected)

Designated state(s): DE FR

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR

REF Corresponds to:

Ref document number: 60025711

Country of ref document: DE

Date of ref document: 20060413

Kind code of ref document: P

ET Fr: translation filed
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20061026

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 17

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 18

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20170313

Year of fee payment: 18

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20170411

Year of fee payment: 18

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 60025711

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20181101

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20180430